"Cryptic" vascular malformations of the central nervous system.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001921:Brain / Q000002:abnormalities*; D001932:Brain Neoplasms / Q000150:complications*; D002561:Cerebrovascular Disorders; D002648:Child; D006391:Hemangioma / Q000150:complications; D006801:Humans; D008875:Middle Aged